Appends versatile search links bar to linkbar
当前为

Sites to search can be added/changed/removed via script's local storage
Metanames supported in url expressions:
For release and request
${artist}
${artist_asc}
${artist_quoted}
${artist_asc_quoted}
${artists}
${artists_asc}
${artists_quoted}
${artists_asc_quoted}
${real_artist}
${real_artist_asc}
${real_artist_quoted}
${real_artist_asc_quoted}
${real_artists}
${real_artists_asc}
${real_artists_quoted}
${real_artists_asc_quoted}
${all_artists}
${all_artists_asc}
${all_artists_quoted}
${all_artists_asc_quoted}
${album_artist}
${album_artist_asc}
${album_artist_quoted}
${album_artist_asc_quoted}
${real_album_artist}
${real_album_artist_asc}
${real_album_artist_quoted}
${real_album_artist_asc_quoted}
${album}
${album_asc}
${album_quoted}
${album_asc_quoted}
${release_type}
${year}
${real_*} artist metaname variants avoid using "Various Artists" generic artist for multi-artist albums but rather leave the value blank
For artist
${artist}
${artist_asc}
${artist_quoted}
${artist_asc_quoted}
The ${*_asc_*} variants are ASCII only (diacritics stripped)